These parameters are difficult to obtain in multipathfading channels.
在多径衰落信道下，这些参数是很难获得的。
2
The study shows that the algorithm can complete frequency offset tracking in AWGN channel and multipathfading channel.
研究表明，该算法既能在AWGN信道中也能在多径衰落信道中完成频偏跟踪工作。
3
Numerical and simulation results show that the Gaussian noises, multi user interferences, multipathfading and diversity receiving all have impact on the system performance.